[Elecraft] Effect of KPA1500 Antenna Selection

[Dauer, Edward]

Does anyone know whether the antenna output not selected is shorted somewhere near the output itself, or just left open while the selected output socket is active?  I haven't ever seen a schematic; the "Theory of Operation" in the Manual is too oversimplified to answer the question; and although I could measure the resistance across the unselected output, it wouldn't tell me if the connection to ground is near the socket or way upstream past some low-resistance inductor.  And a related question, what happens to the two antenna outputs when the power to the amp is off?  Are they latching relays or does everything get de-energized and fall to a default open?

TIA,

Ted, KN1CBR